262790720

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{449}}^1$

素因数の和:556

約数の個数: 112

約数和(自身を含む): 658368000

約数和(自身を除く): 395577280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 59, 62, 64, 80, 118, 124, 155, 160, 236, 248, 295, 310, 320, 449, 472, 496, 590, 620, 898, 944, 992, 1180, 1240, 1796, 1829, 1888, 1984, 2245, 2360, 2480, 3592, 3658, 3776, 4490, 4720, 4960, 7184, 7316, 8980, 9145, 9440, 9920, 13919, 14368, 14632, 17960, 18290, 18880, 26491, 27838, 28736, 29264, 35920, 36580, 52982, 55676, 58528, 69595, 71840, 73160, 105964, 111352, 117056, 132455, 139190, 143680, 146320, 211928, 222704, 264910, 278380, 292640, 423856, 445408, 529820, 556760, 585280, 821221, 847712, 890816, 1059640, 1113520, 1642442, 1695424, 2119280, 2227040, 3284884, 4106105, 4238560, 4454080, 6569768, 8212210, 8477120, 13139536, 16424420, 26279072, 32848840, 52558144, 65697680, 131395360, 262790720]

約数ペア:

[(1, 262790720), (2, 131395360), (4, 65697680), (5, 52558144), (8, 32848840), (10, 26279072), (16, 16424420), (20, 13139536), (31, 8477120), (32, 8212210), (40, 6569768), (59, 4454080), (62, 4238560), (64, 4106105), (80, 3284884), (118, 2227040), (124, 2119280), (155, 1695424), (160, 1642442), (236, 1113520), (248, 1059640), (295, 890816), (310, 847712), (320, 821221), (449, 585280), (472, 556760), (496, 529820), (590, 445408), (620, 423856), (898, 292640), (944, 278380), (992, 264910), (1180, 222704), (1240, 211928), (1796, 146320), (1829, 143680), (1888, 139190), (1984, 132455), (2245, 117056), (2360, 111352), (2480, 105964), (3592, 73160), (3658, 71840), (3776, 69595), (4490, 58528), (4720, 55676), (4960, 52982), (7184, 36580), (7316, 35920), (8980, 29264), (9145, 28736), (9440, 27838), (9920, 26491), (13919, 18880), (14368, 18290), (14632, 17960)]